Columbia Elementary (Data source)
Source data for Columbia Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 2770292 | 2422 | - | 2436 | = | -14 | * | (107 | / | 179) | = | -8.36871508 | ||
| 4 | 2770295 | 2471 | - | 2485 | = | -14 | * | (72 | / | 179) | = | -5.6312849 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Columbia Elementary | -14 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 84318 | 2434 | - | 2436 | = | -2 | * | (70 | / | 175) | = | -0.8 | ||
| 4 | 84321 | 2472 | - | 2485 | = | -13 | * | (105 | / | 175) | = | -7.8 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Columbia Elementary | -9 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 86677 | 2430 | - | 2436 | = | -6 | * | (80 | / | 151) | = | -3.17880794 | ||
| 4 | 86679 | 2477 | - | 2485 | = | -8 | * | (71 | / | 151) | = | -3.7615894 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Columbia Elementary | -7 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 86920 | 2438 | - | 2436 | = | 2 | * | (83 | / | 155) | = | 1.07096774 | ||
| 4 | 86923 | 2494 | - | 2485 | = | 9 | * | (72 | / | 155) | = | 4.18064516 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Columbia Elementary | 5 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 87531 | 2460 | - | 2436 | = | 24 | * | (76 | / | 152) | = | 12.0 | ||
| 4 | 87532 | 2482 | - | 2485 | = | -3 | * | (76 | / | 152) | = | -1.5 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Columbia Elementary | 11 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -14 | -9 | -7 | 5 | 11 | -14.0 | -2.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 27.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -32.8
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 39% | 40% | 40% | 40% | 37% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Columbia Elementary school district | County of Shasta
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Columbia Elementary math proficiency
Zero+ meets standard.
30% less $meal
31% less $meal
31% less $meal
34% less $meal
32% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Elementary School (Public) schools in Columbia Elementary (1)
| Columbia Elementary |